The Box Elder
Although popularly known everywhere as an elder, this is really a maple, listed by the botanist as the ash-leaved maple (Acer negundo). It is a hardy tree of rapid growth, much prized for planting in semi-arid regions. There are several varieties, giving opportunity for experiments in selective breeding.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 11 Chapter 9